High-speed 25 Mbaud optocoupler provides digital input and output interfaces
The Vishay VOIH72A optocoupler maintains excellent signal integrity in isolated interfaces, and features high noise immunity, as well as a wide temperature range.
The VOIH72A is a high-speed, single-channel CMOS optocoupler which offers a maximum signal-transfer rate of 25 Mbaud.
The optocoupler integrates an input LED driver with a high-speed infrared emitter coupled with an optical detector IC. A true digital input and output interface, in combination with very low maximum pulse-width distortion of 6 ns and high minimum noise immunity of 20 kV/μs, provide for easy integration into digital logic systems.
The VOIH72A is intended for use in industrial circuits which require isolation and a high signal-transfer rate. The optocoupler is ideal for functions including:
- Galvanic isolation in digital systems
- Ground loop elimination
- Digital bus system isolation
- Interface isolation
- Feedback control in digital power supplies
The optocoupler is supplied in a compact SOIC-8 package with a 5 mm x 4 mm footprint.